(what I have now)WHITELISTNULL=0GREYLISTING=0WHITELISTSENDER=1WHITELISTDNSNAME=0AUTO_WHITE_LISTING=1BLACKLISTING=1BLACKLISTDNSNAME=0RCPT_ACL=1BLACKLIST_HELO=0BLACKLISTSENDER=1HELO_CHECK=1 <<<<<<<< -- change that one to HELO_CHECK=0 ?